Textbook of Theoretical Botany, Volume 2 |
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Page 1380
... funicle of the ovule . At a very early stage , often before the appearance of the funicle , a hypo- dermal cell at the apex of the nucellus shows signs of differentiation , the cell and its nucleus enlarging and the cytoplasm becoming ...
... funicle of the ovule . At a very early stage , often before the appearance of the funicle , a hypo- dermal cell at the apex of the nucellus shows signs of differentiation , the cell and its nucleus enlarging and the cytoplasm becoming ...
Page 1391
... funicle and is generally called the raphe . This is customarily described as a union of the funicle with the outer integument , but the development of anatropous ovules shows that , in fact , no fusion takes place , but , on the ...
... funicle and is generally called the raphe . This is customarily described as a union of the funicle with the outer integument , but the development of anatropous ovules shows that , in fact , no fusion takes place , but , on the ...
Page 1493
... funicle joins the seed . This is supposed to assist in detaching the seed by constricting the funicle . The corky aril in Caltha keeps the seeds afloat in water and thus aids in dispersal . A unique function is fulfilled by the aril in ...
... funicle joins the seed . This is supposed to assist in detaching the seed by constricting the funicle . The corky aril in Caltha keeps the seeds afloat in water and thus aids in dispersal . A unique function is fulfilled by the aril in ...
Contents
FLOWERS | 1071 |
POLLINATION AN INTRODUCTION | 1252 |
SEEDS FRUITS AND SEEDLINGS | 1481 |
2 other sections not shown
Common terms and phrases
actinomorphic anatropous androecium Angiosperms anthers antipodal apex axile axis basal base bracts calyx capsule carpels cells colour common contains corolla corolla tube cotyledons cross-pollination cultivated dehisce Dicotyledons dispersal distributed elongated embryo sac enclosed endosperm example female flowers fertilization filaments fleshy floral florets Flowering shoot flowers Fig fruit funicle gardens genera genus germination gynoecium hairs herbs hermaphrodite hypocotyl important inflorescence inner insect integument involucre later layer leaf leaves lobes loculus male flowers margins mature micropyle Monocotyledons nectar Nectar is secreted normal nucellus nuclei occur oosphere outer ovary ovules parietal perianth perianth segments petaloid petals placenta plants pollen grains pollen tube pollination mechanism produced rarely receptacle rhizome seeds self-pollination sepals separate showing shrubs single sometimes species stage stamens stem sterile stigma structure style sub-family surface testa tissue trees tropical unisexual usually vegetative visited wall whorl zygomorphic